AHP describes its mission as, "to support the mental health and wellness of the lesbian, gay, bisexual, transgender, and queer (LGBTQ) and HIV-affected communities in constructing healthy and meaningful lives.

At that time, AHP focused on mental health support for people living with AIDS and prevention counseling for gay men.

[5] Since then, AHP's work has grown to include a large range of mental health crisis services, support groups, therapeutic programs, and substance abuse counseling.

AHP is the primary trainer of HIV test counselors in programs funded by the California Department of Public Health.

[12] It included notable artists such as Hung Liu, Jock Sturges, Squeak Carnwath, David Smith Harrison, Leonard Baskin, Sue Averall, Rex Ray, Martine Jardel, Michal Venera, and Kristine Mays.